add script for creating template

create.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+num=$1
+
+echo "$num" | grep -q "^[1-9][0-9]\{,4\}$" || {
+    echo "Err: no valid number given" >&2
+    exit 1
+}
+
+parent=$((num / 100))
+pdir="solutions/${parent}/q${num}"
+sol_file="${pdir}/solution.go"
+
+if [ -f "$sol_file" ]; then
+    exit 0
+fi
+
+echo "Creating template for question No. $num" >&2
+mkdir -pv "$pdir"
+echo "package q$num" > "$sol_file"
+echo "Created $sol_file"